【摘要】 本文采用了空气污染指数进行评价空气质量,确定铁岭市空气质量日报、预报。根据空气污染指数值确定空气质量污染程度,最后采用数据统计方法对日报、预报的结果进行检验,检查两个样本均值之间是否有显著性差异。更多还原

【Abstract】 We used air pollution index to evaluate air quality,determined daily report and forecast of air quality in TieLing city.According to air pollution index we determined air quality pollution degree,and uses statistical method to inspect the daily report and forecast result to find whether significance difference existing between the two average value of the samples.更多还原